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Talus prosthesis

A prosthesis and talus technology, applied in prosthesis, diagnosis, additive manufacturing, etc., can solve the problem of high loosening rate, achieve the effects of not easy loosening, ensuring short-term stability and good long-term stability

Pending Publication Date: 2020-11-03
GUANGZHOU HUATAI 3D MATERIAL MFG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides a talus prosthesis, which is used to solve the technical defect of high loosening rate after implantation in the implanted artificial joint prosthesis in the prior art

Method used

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  • Talus prosthesis

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Embodiment Construction

[0021] The invention provides a talus prosthesis, which is used to solve the technical defect of high loosening rate after implantation in the implanted artificial joint prosthesis in the prior art.

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] In order to describe the present invention in more detail, a talar prosthesis provided by the present invention will be specifically described below with reference to the accompanying drawings.

[0024] see figure 1 , the present invention provides a talus prosthesis, comprising: a prosthesis main body 1, the prosthesis main bo...

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Abstract

The invention belongs to the field of medical instrument products, and particularly relates to a talus prosthesis. The invention provides a talus prosthesis. The talus prosthesis comprises a prosthesis body, wherein the prosthesis body is a 3D printing prosthesis body, and the surface of the prosthesis body is in an anatomical arc shape; and a plurality of protruding structures are arranged on theside of the prosthesis body and used for being inserted into healthy bones of a to-be-implanted part. According to the technical scheme provided by the invention, the 3D printing prosthesis body obtained by acquiring the information of the to-be-implanted part according to CT or nuclear magnetism data can perfectly cooperate with the to-be-implanted part in size, the protruding structures can beinserted into the healthy bones, and the talus prosthesis is not liable to loosen after being implanted, so that the short-term stability of the implanted prosthesis is effectively ensured; Furthermore, the surface of the prosthesis body is in an anatomical arc shape, and the simulated prosthesis body has a good joint function and good long-term stability. According to the talus prosthesis provided by the invention, the technical defect that in the prior art, an implanted artificial joint prosthesis is high in loosening rate after implantation is finished, is overcome.

Description

technical field [0001] The invention belongs to the field of medical device products, in particular to a talus prosthesis. Background technique [0002] Artificial joint prosthesis is mainly used in patients with ankle joint pain, deformity and loss of function caused by various trauma, autoimmune diseases and degenerative diseases. [0003] In the prior art, the prosthesis is mostly a single standard product with different specifications, and the initial stability is poor because it cannot be accurately matched with the affected area. At present, the stability after implantation is improved mainly by spraying a coating that stimulates bone growth, so that healthy bone can fuse with the implanted prosthesis. Talar joints are highly matched, irregular in shape, and have large individual differences, which often lead to unstable fixation and loosening of the prosthesis. [0004] Therefore, developing a talus prosthesis to solve the technical defect of high loosening rate aft...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/42A61F2/30
CPCA61F2/4202A61F2/30749A61F2/30771A61F2/30942A61F2002/30934A61F2002/3006A61F2002/30784A61F2002/30891A61F2002/30948A61F2002/30985A61F2002/4207
Inventor 曾参军朱献文黄华军陆国赞温志深朱纬纬
Owner GUANGZHOU HUATAI 3D MATERIAL MFG TECH CO LTD
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